GM Powertrain announced today it will deliver a 3.6-liter V-6 gasoline engine with direct injection and variable valve timing (VVT) technologies in the 2008 model year. A vehicle application will be ...

Decades ago (OK, half a century or more), there was a product advertised in many of the performance magazines called the Varicam. The idea was a set of springs attached to a centrifugal device that ...

If you feel your Toyota VVTi engine low on power, one cause must be the combustion chamber’s tightness. And there are two things that can go wrong with it - loose valves or worn out piston rings. Here ...

In case you’ve disassembled your Toyota VVTi engine to replace the piston rings or perform other repairing jobs, you’ll need to put all the parts back together correctly. Follow us: We’ll see here how ...

Hello Paul, I drive a Toyota Wish with a VVTi engine. It has been running well until recently when it started reducing engine power or hesitating. A computer diagnosis reported it. Can the VVTi ...

OK, so you checked off the option box for the 6L80E automatic when ordering up your new fifth-gen. Unlike your buddies in the local Camaro club that insist on shifting manually, after an evening of ...

Hello Francis, to resolve the VVTi problem, you may need to clean the oil sludge or deposit in the VVTi solenoid or replace it with a new one in case that one cannot be repaired. The VVT ...

Harley-Davidson has filed a patent application for a variable valve timing (VVT) V-twin engine, possibly for the Sportster to improve economy and reduce emissions. The iconic American manufacturer has ...

Eventually this trickled down to GM's incorporation of this technology into the Gen IV 6.2L L92 Escalade motor for the 2007 model year. GM's design placed a cam phaser on the face of the cam, which ...

We haven't had any other reports of a failure of the VVTi hubs, but perhaps other readers might tell us of any failures they've had. The outcome you've managed to achieve is a reasonable one.